查询词典 astronomical year

Our 400-year timeline highlights some of the most significant developments and astronomical discoveries in telescope history.

在望远镜历史上，我们400年来取得了一些最重大的发展和天文发现。

This year also marks the four hundredth anniversary of the first recorded astronomical observations with a telescope by Galileo.

今年也是第一次录得1伽利略望远镜天文观测第四百周年。

The International Year of Astronomy 2009 is a global celebration of astronomy and its contributions to society and culture, highlighted by the 400th anniversary of the first use of an astronomical telescope by Galileo Galilei.

在2009年国际天文学年是一个全球性的庆祝天文学和其对社会的贡献和文化，突出了400周年的第一次使用天文望远镜的伽利略。

This year the world celebrates the 400th anniversary of Galileo Galilei's observations of the universe through an astronomical telescope.

二00九年也是望远镜之年，今年全球都欢庆伽利略以天文望远镜观测到宇宙奥秘的四百周年纪念。

The International Year of Astronomy (IYA2009) will be a global celebration of astronomy and its contributions to society and culture, highlighted by the 400th anniversary of the first use of an astronomical telescope by Galileo Galilei.

国际天文年将会是一个天文和它对社会与文明的贡献的全球性庆祝活动，并且2009年也是人类第一架天文望远镜的使用的400周年的纪念。

The main purpose of the intercalary month is to correct for deviations of the calendrical year from the astronomical year.

闰月的主要目的是纠正历年和天文年之间的偏差。

Each leap year we add that day onto the end of February. In this way, the calendar is readjusted to the astronomical timetable.

在闰年，把多出来的那一天加到二月的最后一天，如此一来就能把日历调整成与天文历相符的运算方式。

The price of an average two-storey house in Saskatoon jumped 57% last year, while wage demands are astronomical too.

在萨斯卡通，一个平均二层楼房屋的价格在去年飞涨了57%，而工资要求也是一个天文数字。

There are people believe that the ancient Chinese form was originally a concept-day geodetic instruments, Spring and Autumn Period there is a instrument for the observation of astronomical tables, people standing tree as a pole in order to determine the length of the sun's shadow position, solar terms, and thus to measure the star, observable sidereal year cycle, the ancient pre-construction in the construction, but also as a method to take positive positioning.

还有人认为，古代的中国形式的概念最初是天大地测量仪器，春秋有一个表的天文观测仪器，人们站在一个极树，以便确定太阳的阴影位置长度，节气，从而测量恒星，观测恒星年周期，古代前在建筑施工，但作为一种方法也采取积极的定位。

We performed a simulative test, which confirms that wavelet analysis can separate annual wobble and Chandler wobble. Our results show that this method can be used in astronomical geodynamies effectively. This paper is divided into two parts. The first is about statistic characteristic of polar motion. Polar motion includes secular motion, long period fluctuations, Chandler wobble, annual wobble and high frequency wobble. The secular motion is 3.4mas/year and towards 760W meridian. Long period fluctuations have difference periods in x-axis and y-axis. They are 31.7-year and 24-year in x-axis and 28.5-year and 22.9-year in y-axis. These 2~? decades fluctuations have an amplitude of about 30 mas , and are very nearly linearly polarized, with the observed motion of pole being almost entirely along a line between 360E and 1440W. There is a 55.4-year wobble whose amplitude is 9 mas. The amplitude of the interannual fluctuations is about 4? mas. The amplitude of long period fluctuations decreased after 1970. The annual wobble is a steady wobble. It retrograde wobble is only 1/20 of prograde wobble in amplitude.

本文的工作主要分为两部分：第一部分是通过分析POLE97序列，我们对极移的统计特性有了一个较全面的认识，极移主要包括趋势项、长周期项、Chandler项、周年项和高频项：趋势项的方向是西经76°，速度为每年3.4mas；长周期项中Markowitz 项在X、Y两个方向有不同的周期，它们分别是：X方向的两个周期是31.7年和24 年，Y方向的两个周期为28.5年和22.9年它们叠加在一起是一个线偏振运动，最大振幅约为30mas，偏振方向在西经144°和东经36°之间；极移的长周期波动中还存在一个 55.4年周期的圆周运动，振幅约为9mas；十年尺度变化的振幅在4～6mas之间，在Y 方向十年尺度的成份比较多，它们的周期在X方向和Y方向不是对应的；从七十年代年开始长周期变化的振幅明显降低；周年项是一个振幅稳定的摆动，在X、Y两个方向的振幅略有差别，逆向运动振幅大约为顺向运动振幅的1/20；Chandler摆动的振幅自1900年以来经历了几次较大的变化，其中包括1915年和1955年两次极大值，振幅分别达到0&。25和0&。28，以及1925～1940期间小于0.09的过程，Chandler项在X、Y 两个方向的振幅几乎完全相等，其逆向运动振幅不到顺向运动振幅的1/50。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。